3626644 has 48 divisors (see below), whose sum is σ = 8104320. Its totient is φ = 1382400.

The previous prime is 3626641. The next prime is 3626657. The reversal of 3626644 is 4466263.

3626644 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3626641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8844 + ... + 9244.

It is an arithmetic number, because the mean of its divisors is an integer number (168840).

Almost surely, 2^3626644 is an apocalyptic number.

3626644 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3626644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4052160).

3626644 is an abundant number, since it is smaller than the sum of its proper divisors (4477676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3626644 is a wasteful number, since it uses less digits than its factorization.

3626644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 446 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 3626644 is about 1904.3749630784. The cubic root of 3626644 is about 153.6390602521.

The spelling of 3626644 in words is "three million, six hundred twenty-six thousand, six hundred forty-four".